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5-Bromo-2 4-dichloropyrimidine(CAS# 36082-50-5)

Āhuatanga matū:

Tātai rāpoi C4HBrCl2N2
Molar Mass 227.87
Kiato 1.781 g/mL i te 25 °C (marama)
Te Whakarewa 29-30 °C (marama)
Piro Pouri 128 °C/15 mmHg (marama)
Tohu Kohiko >230°F
Wairewa Chloroform (Paku), Etera (Paku), Ethyl Acetate (Paku), Toluene (Slig
Kohu Kohu 0.004mmHg i te 25°C
Te ahua He hinuhinu kore tae
Te taumahatanga motuhake 1.781
Tae He maama kore tae ki te kowhai marama
BRN 124441
pKa -4.26±0.29(I Matapaetia)
Tikanga Rokiroki Te hau hau, Te Pamahana rūma
Taurangi Refactive n20/D 1.603(marama)
MDL MCD00127818
Āhuatanga ā-tinana, matū hoki He wai kore tae, he wai kowhai marama ranei
Whakamahi Ka whakamahia hei rauemi mata mo te whakahiatotanga o nga pyrimidines trisubstituted ma te whakakotahi i nga tauhohenga whakakapinga nucleophilic me nga tauhohenga hononga-whakawhitinga aril-palladium-catalyzed.

Taipitopito Hua

Tohu Hua

Waehere Morearea R23/24/25 – He paitini ma te horomia, ka pa ki te kiri me te horomia.
R34 – He weranga
R43 – Ka whakapataritari pea te kiri
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S27 – Wewetehia nga kakahu poke katoa.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID UN 3263 8/PG 2
WGK Tiamana 3
Waehere HS 29335990
Tuhipoka morearea Toxic/Corrosive
Te akomanga morearea 8
Roopu Tarapi III

 

Kupu Whakataki

Ko te 5-Bromo-2,4-dichloropyrimidine he pūhui waro.

 

Kounga:

- Te ahua: Ko te 5-Bromo-2,4-dichloropyrimidine he totoka karaihe ma.

- Wairewa: 5-Bromo-2,4-dichloropyrimidine he iti te wairewa i roto i te wai, ka whakarewahia i roto i nga whakarewa waro penei i te waihano me te acetone.

 

Whakamahia:

- Pesticides: Ka taea te whakamahi i te 5-bromo-2,4-dichloropyrimidine hei waahanga pesticide o nga pūhui heterocyclic, ko te nuinga mo te whakahaere i nga tarutaru wai me nga tarutaru whanui.

 

Tikanga:

Ko te whakahiato o te 5-bromo-2,4-dichloropyrimidine ka taea te whakahaere i nga tikanga rereke, ko te tikanga noa ko te whakautu i te 2,4-dichloropyrimidine me te bromine. Ko tenei tauhohenga ka whakakorikoria e te konutai bromide.

 

Mōhiohio Haumaru:

- Ka pirau pea te 5-Bromo-2,4-dichloropyrimidine i te wera nui, ka puta te hauwai hauwai hauwai paitini. Me karohia nga wera nui me nga waikawa kaha i te wa e whakahaere ana me te rokiroki.

- Ko te 5-Bromo-2,4-dichloropyrimidine he whakapataritari ki nga kanohi me te kiri me te karo. Me mau nga karapu tiaki tika, mohiti, me te koti taiwhanga i te wa e mahi ana.


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